我区红壤面积24081万亩,占全区土地面积的69%。通过近年来土壤普查发现红壤耕地土壤肥力比红壤自然土壤肥力低的现象,尤其是有机质在某些地区还有逐年下降的趋势,这与自然红壤本身固有的物理性不好、易为暴雨剥蚀冲刷有关外,与人为的耕作制度及施肥方法有很大的关系。因此,对红壤地区如何进行改土培肥,达到丰产稳产的 My area red soil area 24081 mus, occupy whole area land area 69%. In recent years, the soil survey found that soil fertility of red soil is lower than that of natural soil, especially in some areas there is a trend of declining year by year. This is not the same as that of natural red soil itself, In addition, there is a great relationship between man-made farming systems and fertilization methods. Therefore, red soil area how to soil fertility, to achieve high yield and stable yield